Contains a simple standard calculator and add subtract multiply and divide units of time is a time calculator.

★ You can use a standard calculator.
★ year day hour minute and second can be calculated by the calculator
★ You can mix units of time.
Example ) 5 hours 10 minutes 30seconds + 4hours 5 minutes = 9 hours 10 minutes 30 seconds.

★ converted into units of another time; you can see the results.

★ calculation formula of past records and record the results you can remove at any time.

If you find a bug please mail us instead of giving the app a low rating.